function run_spk_hard(fname,s)
eval(['load ',fname,';']);
load mnist_label;
l = 60000;
n = size(Y,1);
Yt = Y(1:l);
Ys = Y(l+1:n);
VV = VV(:,1:s);
tic
Yp = mcmkm(VV,Yt);
slvtime = toc
trerr = calerr(Yp(1:l),Yt)
tserr = calerr(Yp(l+1:n),Ys)
exit
end
